CN201412244Y

CN201412244Y - Three-stage air filter of air inlet system of heavy truck

Info

Publication number: CN201412244Y
Application number: CN2009200271559U
Authority: CN
Inventors: 张春明
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-06
Filing date: 2009-06-06
Publication date: 2010-02-24
Anticipated expiration: 2019-06-06

Abstract

The utility model discloses a three-stage air filter of an air inlet system of a heavy truck, which is mainly characterized in that an air inlet hole at the upper end of a shell is connected with a first-stage filtering device; an air inlet inner cavity of the shell is at least provided with a connecting pipe which is communicated with a sealed swirl chamber at the bottom of the shell; the dust discharge ends of a plurality of swirl pipes are arranged in the swirl chamber and are communicated with a sealed dust accumulating chamber under the swirl chamber; the air outlet end of the swirl pipeis communicated with a sealed fine filtering chamber above the swirl chamber; an air outlet hole of a filter core is arranged in the fine filtering chamber and is communicated with an air outlet pipeon the shell; and the bottom of the shell of the dust accumulating chamber is connected with a dust discharge pipe. Three-stage filtration can be effectively carried out to impurities and/or rain andsnow droplets contained in air to be filtered in the filter, and the quality of the air filtration is obviously improved; and the air to be filtered is strongly swirled into the air inlet pipe by thehigh-speed rotation of a fan blade plate of the first-stage filtering device, the air intake flow of the air filter is increased, the air intake is smooth, and the resistance of filtered air enteringan engine is reduced.

Description

A kind of three grades of air-strainer of heavy-duty car gas handling system

(1) technical field:

The utility model relates to air filter for automobile; Be specifically related to a kind of three grades of air-strainer of heavy-duty car gas handling system.

(2) background technique:

The air filtering device structure of prior art heavy-duty car air inlet yarn system, its suction port place does not still have anti-impurity or/and the ran-proof and snow-proof filter.When heavy-duty car is worked under wild environment badly, fly upward or/and the sleet sky as impurity, though enter the filter cleaner inner chamber impurity or/and the sleet globule through filtering, still have most of impurity or/and the sleet globule also will be through the last smart filter of papery filter core, very easily stop up or/and soak the damage filter core this moment.It exists not enough: the one, and the filter cleaner charge flow rate is few and resistance is big, does not satisfy the air feed needs of motor filtering air and reduces its power output; The 2nd, still contain more impurity or/and the sleet globule by the laggard filtering air of going into motor of filter cleaner filtering, influenced the working life of motor.

(3) summary of the invention:

At the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of three grades of air-strainer of heavy-duty car gas handling system, is intended to improve charge flow rate and the filtering quality that enters motor and reduces its intake resistance.

For achieving the above object, the technological scheme of three of the utility model heavy-duty car gas handling system grades of air-strainer is achieved in that the filter core that comprises that mainly the housing inner chamber is equipped with; At described housing upper end air inlet position, be connected with the one-level filter; At the air inlet inner chamber of described housing, be provided with a connecting tube at least and be communicated with the eddy flow chamber of housing bottom sealing; In described eddy flow chamber, be provided with the dust discharge end of some cyclone tubes, be communicated with the laying dust chamber of below, eddy flow chamber sealing; The outlet side of described cyclone tube is communicated with the smart filter chamber of top, eddy flow chamber sealing; Be provided with the air outlet hole of filter core in the described smart filter chamber, be communicated with steam outlet pipe on the housing; Described laying dust cavity shell bottom is communicated with dust flue.

When implementing technique scheme, described one-level filter is on the upper-end surface of waterproof airscoop shroud, is provided with a dust exhaust port at least and is communicated with its inner chamber, and the top, chamber is rotatably connected with wind acanthus leaf within it; On the described wind acanthus leaf surface, be provided with several whirlwind mouths; Below wind acanthus leaf, be fixed with cone-shaped air inlet fluid dividing cover; On the suction tude cylindrical of described waterproof airscoop shroud inner chamber lower end, ring set is connected with Steel net; Mask body intracavity bottom below described Steel net is equipped with filtering machine oil.

The utility model is treated the impurity that contains in the air filtering or/and the sleet globule carries out three grades of filterings to entering filter cleaner effectively by taking above-mentioned three grades of air filtering structures, has improved the filtering quality of filtering air; The powerful suction that utilizes engine charge to produce, the wind acanthus leaf high speed rotating that promotes the one-level filter will treat that the air filtering strength rotational flow enters suction tude, increased the charge flow rate of air-strainer and smooth and easy, obviously reduce the resistance that the filtering air enters motor.

(4) description of drawings:

Fig. 1 is a sectional view of the present utility model;

Fig. 2 be among Fig. 1 A-A to sectional view;

Fig. 3 is the another kind of mode of execution sectional view of the utility model.

(5) embodiment:

Fig. 1-shown in Figure 3.Three grades of air-strainer of this heavy-duty car gas handling system mainly comprise the filter core that the housing inner chamber is equipped with; At described housing upper end air inlet position, be connected with the one-level filter; At the air inlet inner chamber of described housing, be provided with a connecting tube 8 and be communicated with the eddy flow chamber of housing bottom sealing; In described eddy flow chamber, be provided with the dust discharge end of some cyclone tubes 10, be communicated with the laying dust chamber 13 of below, eddy flow chamber sealing; The outlet side of described cyclone tube 10 is communicated with the smart filter chamber of top, eddy flow chamber sealing; Be provided with the air outlet hole of filter core 9 in the described smart filter chamber, be communicated with steam outlet pipe 11 on the housing; In described laying dust cavity shell bottom, be communicated with dust flue 12 (Fig. 1-shown in Figure 3).Described one-level filter is on the upper-end surface of waterproof airscoop shroud 1, is arranged with two dust exhaust ports 2 and is communicated with its inner chamber, and the top, chamber is provided with supporting axle within it, is rotatably connected with wind acanthus leaf 3 by the waterproof sealing bearing; On the described wind acanthus leaf surface, be provided with if having and do a whirlwind mouth; Below wind acanthus leaf, be fixed with cone-shaped air inlet fluid dividing cover 4; On suction tude 7 cylindricals of described waterproof airscoop shroud 1 inner chamber lower end, ring set is connected with Steel net 5; Housing intracavity bottom below described Steel net is equipped with filtering machine oil 6 (shown in Figure 1).For increasing filtering air inlet flow,, be arranged with two connecting tubes 8 usually and be communicated with (shown in Figure 3) with the eddy flow chamber of housing bottom sealing at the air inlet inner chamber of described housing.During use, when heavy-duty car is worked under abominable wild environment, under the powerful suction that engine charge produces, contain impurity or/and the sleet globule treat air filtering, suction port by waterproof airscoop shroud 1 enters its inner chamber, promote wind acanthus leaf 3 and do high speed rotating formation powerful air eddy flow, this moment fraction than heavy impurity or/and the sleet globule discharge rapidly by the dust exhaust port 2 on the waterproof airscoop shroud, major part contain the slightly light impurity of proportion or/and the sleet globule treat air filtering, the then shunting of the inclined-plane by cone-shaped air inlet fluid dividing cover 4, with impurity or/and the sleet globule by Steel net 5 filter depositions in the filtering machine oil 6 of mask body intracavity bottom (shown in Figure 1).Through treating under the high-speed rotational effect of air filtering at rotating blading plate 3 that one-level is filtered, connecting tube 8 by the secondary filter cleaner of suction tude 7 through joining with it enters in the eddy flow chamber of housing bottom sealing, strength rotational flow through cyclone tube 10 passes through its dust discharge end secondary impurity that proportion is heavier or/and the sleet globule, eddy flow enters in the laying dust chamber 13 that eddy flow chamber bottom is provided with, and from dust flue 12 quick eddy flows discharges (Fig. 1-shown in Figure 3).Major part after the secondary filtering contain the lighter impurity of proportion or/and the sleet globule treat air filtering, the outlet side by cyclone tube 10 enters in the smart filter chamber of sealing at last, through 9 three grades of filterings of filter core, swimmingly through steam outlet pipe 11 for engine operation (shown in Figure 2).Promptly finish three grades of air-filterings of heavy-duty car air-strainer.

The above only is a preferred implementation of the present utility model.Be noted that for the person of ordinary skill of the art; under the prerequisite that does not break away from the principle of the invention; need not other technical characteristics that the process creative work just can be associated; can also make some modification or/and improve; these variations obviously all should be considered as equivalent feature, all belong within the protection domain of the utility model patent.

Claims

1, three of a kind of heavy-duty car gas handling system grades of air-strainer mainly comprise the filter core that the housing inner chamber is equipped with; It is characterized in that:, be connected with the one-level filter at described housing upper end air inlet position; At the air inlet inner chamber of described housing, be provided with a connecting tube (8) at least and be communicated with the eddy flow chamber of housing bottom sealing; In described eddy flow chamber, be provided with the dust discharge end of some cyclone tubes (10), be communicated with the laying dust chamber (13) of below, eddy flow chamber sealing; The outlet side of described cyclone tube (10) is communicated with the smart filter chamber of top, eddy flow chamber sealing; Be provided with the air outlet hole of filter core (9) in the described smart filter chamber, be communicated with steam outlet pipe (11) on the housing; Described laying dust cavity shell bottom is communicated with dust flue (12).

2, three of a kind of heavy-duty car gas handling system according to claim 1 grades of air-strainer, it is characterized in that: described one-level filter, be on the upper-end surface of waterproof airscoop shroud (1), at least be provided with a dust exhaust port (2) and be communicated with its inner chamber, the top, chamber is rotatably connected with wind acanthus leaf (3) within it; On the described wind acanthus leaf surface, be provided with several whirlwind mouths; Below wind acanthus leaf, be fixed with cone-shaped air inlet fluid dividing cover (4); On suction tude (7) cylindrical of described waterproof airscoop shroud (1) inner chamber lower end, ring set is connected with Steel net (5); Mask body intracavity bottom below Steel net is equipped with filtering machine oil (6).

3, three of a kind of heavy-duty car gas handling system according to claim 1 and 2 grades of air-strainer is characterized in that: at the air inlet inner chamber of described housing, be provided with two connecting tubes (8) and be communicated with the eddy flow chamber of housing bottom sealing.